Comparison of various consumer workload charts to availability of renewable energy production characteristics
2013
Allik, A., Estonian Univ. of Life Sciences, Tartu (Estonia) | Uiga, J., Estonian Univ. of Life Sciences, Tartu (Estonia) | Annuk, A., Estonian Univ. of Life Sciences, Tartu (Estonia)
Rural development depends greatly on how energy issues are dealt with. Distributed energy solutions tend to have good influences on the local economy, but the amount of planning for these solutions might be similar or even more than for central energy systems. Usage of applications for harvesting the energy of renewable energy sources like solar- and wind have to be designed with especial care and expertise due to their fluctuating nature. The benefits of using distributed energy generation are revealed when the majority of the energy generated is consumed at site. Therefore, the energy exchange with the main electricity grid depends, to a substantial extent, on the consumption behaviour of various entities. In this article, the suitability of the workload graphs of different consumer types for utilizing maximal amount of energy produced from renewable energy sources is analysed. For that, the load curves and the possible energy production are compared with each other. The simultaneity of the consumers and the consumption shares are also considered in the article. The three main consumer types in Estonia (residential-, municipal- and industrial consumers) have comparable shares, each having approximately one third of the total consumption. Based on these three main groups the interactions arising between the different producers and consumers are calculated to estimate the energy exchange over the grid.
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